Alaska

Morse Cove, Duke Island — Weekly Tide Table

May 17 – May 23, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, May 17 1:12 AM 17.5 8:01 AM -4.0 2:15 PM 14.6 7:59 PM 2.0
4:37 AM
8:48 PM
4:14 AM
11:24 PM
New Moon · 2%
Mon, May 18 1:58 AM 17.6 8:48 AM -4.0 3:05 PM 14.4 8:46 PM 2.3
4:35 AM
8:50 PM
4:58 AM
Waxing Crescent · 6%
Tue, May 19 2:46 AM 17.2 9:37 AM -3.5 3:56 PM 14.0 9:37 PM 2.9
4:33 AM
8:51 PM
6:06 AM
12:31 AM
Waxing Crescent · 12%
Wed, May 20 3:36 AM 16.3 10:29 AM -2.6 4:50 PM 13.5 10:33 PM 3.5
4:32 AM
8:53 PM
7:34 AM
1:14 AM
Waxing Crescent · 21%
Thu, May 21 4:31 AM 15.1 11:25 AM -1.5 5:48 PM 12.9 11:39 PM 3.9
4:30 AM
8:55 PM
9:10 AM
1:40 AM
First Quarter · 31%
Fri, May 22 5:33 AM 13.7 12:24 PM -0.3 6:51 PM 12.7
4:29 AM
8:56 PM
10:44 AM
1:57 AM
First Quarter · 42%
Sat, May 23 12:55 AM 4.1 6:44 AM 12.4 1:27 PM 0.7 7:55 PM 12.7
4:27 AM
8:58 PM
12:15 PM
2:08 AM
First Quarter · 53%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9450172 · view the interactive daily chart